// The contents of this file are subject to the Mozilla Public License Version
// 1.1
//(the "License"); you may not use this file except in compliance with the
//License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
//
//Software distributed under the License is distributed on an "AS IS" basis,
//WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
//for the specific language governing rights and
//limitations under the License.
//
//The Original Code is "The Columba Project"
//
//The Initial Developers of the Original Code are Frederik Dietz and Timo
// Stich.
//Portions created by Frederik Dietz and Timo Stich are Copyright (C) 2003.
//
//All Rights Reserved.
package org.columba.api.command;

/**
 * @author fdietz
 *
 */
public interface ICommandReference {
	/**
	 * Try to get lock.
	 * 
	 * @param locker
	 *            the instance who wants to have the lock
	 * 
	 * @return true, if locker has got the lock, false otherwise
	 */
	boolean tryToGetLock(Object locker);

	/**
	 * Release lock.
	 */
	void releaseLock(Object locker);
}